note 96564 added to function.array-map

PHP 5.3 enables us to use inline anonymous functions with array_map, cleaning up the syntax slightly. $data = array( array('id' => 1, 'name' => 'Bob', 'position' => 'Clerk'), array('id' => 2, 'name' => 'Alan', 'position' => 'Manager'), array('id' => 3, 'name' => 'James', 'position' => 'Director') ); $names = array_map( function($person) { return $person['name']; }, $data ); print_r($names); This was possible (although not recommended) in prior versions of PHP 5, via create_function(). $names = array_map( create_function('$person', 'return $person["name"];'), $data ); You're less likely to catch errors in the latter version because the code is passed as string arguments. These are alternatives to using a foreach: $names = array(); foreach ($data as $row) { $names[] = $row['name']; } ---- Server IP: 87.124.86.46 Probable Submitter: 78.105.106.149 (proxied: 78.105.106.149) ---- Manual Page -- http://www.php.net/manual/en/function.array-map.php Edit -- https://master.php.net/note/edit/96564 Del: integrated -- https://master.php.net/note/delete/96564/integrated Del: useless -- https://master.php.net/note/delete/96564/useless Del: bad code -- https://master.php.net/note/delete/96564/bad+code Del: spam -- https://master.php.net/note/delete/96564/spam Del: non-english -- https://master.php.net/note/delete/96564/non-english Del: in docs -- https://master.php.net/note/delete/96564/in+docs Del: other reasons-- https://master.php.net/note/delete/96564 Reject -- https://master.php.net/note/reject/96564 Search -- https://master.php.net/manage/user-notes.php